Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 190,210
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     193,526
Calibration 2     189,987
Calibration 3     190,117
ssj_ops@calibrated=190,052
100% 100.1% 190,052 190,210
90% 88.9% 171,047 168,894
80% 79.8% 152,041 151,694
70% 70.1% 133,036 133,189
60% 59.9% 114,031 113,909
50% 50.1% 95,026 95,170
40% 39.6% 76,021 75,335
30% 29.8% 57,016 56,641
20% 19.6% 38,010 37,266
10% 10.1% 19,005 19,217
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,076,775 1,494
Payment 14,076,779
Order Status 1,407,678
Delivery 1,407,678
Stock Level 1,407,677
Customer Report 14,076,779
Calibration 2 New Order 13,817,263 1,494
Payment 13,817,263
Order Status 1,381,726
Delivery 1,381,726
Stock Level 1,381,727
Customer Report 13,817,262
Calibration 3 New Order 13,827,157 1,494
Payment 13,827,153
Order Status 1,382,715
Delivery 1,382,715
Stock Level 1,382,716
Customer Report 13,827,160
100% 100.1% New Order 13,834,351 1,494
Payment 13,834,356
Order Status 1,383,436
Delivery 1,383,435
Stock Level 1,383,435
Customer Report 13,834,352
90% 88.9% New Order 12,284,373 1,494
Payment 12,284,372
Order Status 1,228,438
Delivery 1,228,437
Stock Level 1,228,438
Customer Report 12,284,370
80% 79.8% New Order 11,033,311 1,494
Payment 11,033,310
Order Status 1,103,331
Delivery 1,103,331
Stock Level 1,103,331
Customer Report 11,033,311
70% 70.1% New Order 9,686,733 1,494
Payment 9,686,729
Order Status 968,674
Delivery 968,673
Stock Level 968,672
Customer Report 9,686,729
60% 59.9% New Order 8,284,679 1,494
Payment 8,284,675
Order Status 828,469
Delivery 828,468
Stock Level 828,467
Customer Report 8,284,678
50% 50.1% New Order 6,921,524 1,494
Payment 6,921,523
Order Status 692,152
Delivery 692,152
Stock Level 692,153
Customer Report 6,921,524
40% 39.6% New Order 5,479,427 1,494
Payment 5,479,424
Order Status 547,942
Delivery 547,944
Stock Level 547,944
Customer Report 5,479,426
30% 29.8% New Order 4,119,381 1,494
Payment 4,119,383
Order Status 411,938
Delivery 411,938
Stock Level 411,937
Customer Report 4,119,385
20% 19.6% New Order 2,710,336 1,494
Payment 2,710,334
Order Status 271,035
Delivery 271,033
Stock Level 271,034
Customer Report 2,710,331
10% 10.1% New Order 1,397,706 1,494
Payment 1,397,706
Order Status 139,770
Delivery 139,771
Stock Level 139,771
Customer Report 1,397,706
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0