Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 190,885
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     202,550
Calibration 2     192,883
Calibration 3     191,125
ssj_ops@calibrated=192,004
100% 99.4% 192,004 190,885
90% 90.6% 172,804 174,007
80% 80.0% 153,603 153,682
70% 70.0% 134,403 134,446
60% 59.9% 115,203 115,054
50% 49.6% 96,002 95,167
40% 39.7% 76,802 76,279
30% 29.9% 57,601 57,463
20% 20.0% 38,401 38,437
10% 10.1% 19,200 19,341
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 14,734,039 1,494
Payment 14,734,036
Order Status 1,473,402
Delivery 1,473,403
Stock Level 1,473,404
Customer Report 14,734,038
Calibration 2 New Order 14,029,017 1,494
Payment 14,029,021
Order Status 1,402,901
Delivery 1,402,903
Stock Level 1,402,902
Customer Report 14,029,017
Calibration 3 New Order 13,900,588 1,494
Payment 13,900,590
Order Status 1,390,058
Delivery 1,390,059
Stock Level 1,390,060
Customer Report 13,900,588
100% 99.4% New Order 13,883,309 1,494
Payment 13,883,310
Order Status 1,388,330
Delivery 1,388,332
Stock Level 1,388,331
Customer Report 13,883,309
90% 90.6% New Order 12,655,725 1,494
Payment 12,655,722
Order Status 1,265,572
Delivery 1,265,573
Stock Level 1,265,571
Customer Report 12,655,723
80% 80.0% New Order 11,177,470 1,494
Payment 11,177,473
Order Status 1,117,748
Delivery 1,117,749
Stock Level 1,117,748
Customer Report 11,177,477
70% 70.0% New Order 9,777,922 1,494
Payment 9,777,922
Order Status 977,793
Delivery 977,792
Stock Level 977,791
Customer Report 9,777,919
60% 59.9% New Order 8,367,800 1,494
Payment 8,367,793
Order Status 836,780
Delivery 836,779
Stock Level 836,780
Customer Report 8,367,798
50% 49.6% New Order 6,921,324 1,494
Payment 6,921,325
Order Status 692,132
Delivery 692,133
Stock Level 692,132
Customer Report 6,921,327
40% 39.7% New Order 5,547,579 1,494
Payment 5,547,576
Order Status 554,757
Delivery 554,758
Stock Level 554,759
Customer Report 5,547,573
30% 29.9% New Order 4,179,395 1,494
Payment 4,179,396
Order Status 417,940
Delivery 417,940
Stock Level 417,938
Customer Report 4,179,391
20% 20.0% New Order 2,795,433 1,494
Payment 2,795,430
Order Status 279,543
Delivery 279,543
Stock Level 279,544
Customer Report 2,795,437
10% 10.1% New Order 1,406,644 1,494
Payment 1,406,640
Order Status 140,666
Delivery 140,664
Stock Level 140,665
Customer Report 1,406,644
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0