Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,620
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     204,098
Calibration 2     193,257
Calibration 3     191,404
ssj_ops@calibrated=192,331
100% 99.6% 192,331 191,620
90% 90.8% 173,098 174,558
80% 79.6% 153,865 153,001
70% 70.1% 134,632 134,754
60% 60.3% 115,399 115,898
50% 49.8% 96,165 95,696
40% 40.5% 76,932 77,931
30% 30.2% 57,699 58,079
20% 20.0% 38,466 38,427
10% 10.0% 19,233 19,285
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,847,370 1,494
Payment 14,847,378
Order Status 1,484,738
Delivery 1,484,737
Stock Level 1,484,737
Customer Report 14,847,372
Calibration 2 New Order 14,055,750 1,494
Payment 14,055,741
Order Status 1,405,575
Delivery 1,405,576
Stock Level 1,405,576
Customer Report 14,055,746
Calibration 3 New Order 13,921,709 1,494
Payment 13,921,707
Order Status 1,392,170
Delivery 1,392,169
Stock Level 1,392,172
Customer Report 13,921,707
100% 99.6% New Order 13,936,969 1,494
Payment 13,936,966
Order Status 1,393,697
Delivery 1,393,697
Stock Level 1,393,698
Customer Report 13,936,966
90% 90.8% New Order 12,695,173 1,494
Payment 12,695,175
Order Status 1,269,517
Delivery 1,269,518
Stock Level 1,269,517
Customer Report 12,695,170
80% 79.6% New Order 11,127,841 1,494
Payment 11,127,839
Order Status 1,112,784
Delivery 1,112,783
Stock Level 1,112,783
Customer Report 11,127,836
70% 70.1% New Order 9,800,264 1,494
Payment 9,800,267
Order Status 980,028
Delivery 980,028
Stock Level 980,028
Customer Report 9,800,266
60% 60.3% New Order 8,429,392 1,494
Payment 8,429,392
Order Status 842,940
Delivery 842,940
Stock Level 842,939
Customer Report 8,429,397
50% 49.8% New Order 6,960,158 1,494
Payment 6,960,163
Order Status 696,016
Delivery 696,017
Stock Level 696,018
Customer Report 6,960,163
40% 40.5% New Order 5,667,926 1,494
Payment 5,667,929
Order Status 566,794
Delivery 566,792
Stock Level 566,793
Customer Report 5,667,929
30% 30.2% New Order 4,224,142 1,494
Payment 4,224,137
Order Status 422,414
Delivery 422,413
Stock Level 422,415
Customer Report 4,224,136
20% 20.0% New Order 2,794,772 1,494
Payment 2,794,774
Order Status 279,477
Delivery 279,477
Stock Level 279,477
Customer Report 2,794,768
10% 10.0% New Order 1,402,604 1,494
Payment 1,402,605
Order Status 140,261
Delivery 140,261
Stock Level 140,261
Customer Report 1,402,604
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0