Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 205,669
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     206,840
Calibration 2     204,883
Calibration 3     205,865
ssj_ops@calibrated=205,374
100% 100.1% 205,374 205,669
90% 89.7% 184,837 184,262
80% 80.1% 164,299 164,565
70% 69.2% 143,762 142,141
60% 60.0% 123,224 123,295
50% 50.1% 102,687 102,937
40% 39.5% 82,150 81,034
30% 29.8% 61,612 61,177
20% 20.1% 41,075 41,286
10% 9.6% 20,537 19,670
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 15,046,038 1,494
Payment 15,046,041
Order Status 1,504,605
Delivery 1,504,604
Stock Level 1,504,605
Customer Report 15,046,038
Calibration 2 New Order 14,902,377 1,494
Payment 14,902,379
Order Status 1,490,238
Delivery 1,490,237
Stock Level 1,490,238
Customer Report 14,902,381
Calibration 3 New Order 14,973,894 1,494
Payment 14,973,895
Order Status 1,497,390
Delivery 1,497,390
Stock Level 1,497,391
Customer Report 14,973,893
100% 100.1% New Order 14,958,917 1,494
Payment 14,958,911
Order Status 1,495,892
Delivery 1,495,891
Stock Level 1,495,892
Customer Report 14,958,913
90% 89.7% New Order 13,402,312 1,494
Payment 13,402,315
Order Status 1,340,231
Delivery 1,340,232
Stock Level 1,340,231
Customer Report 13,402,311
80% 80.1% New Order 11,968,466 1,494
Payment 11,968,468
Order Status 1,196,845
Delivery 1,196,845
Stock Level 1,196,848
Customer Report 11,968,466
70% 69.2% New Order 10,337,626 1,494
Payment 10,337,626
Order Status 1,033,764
Delivery 1,033,762
Stock Level 1,033,762
Customer Report 10,337,629
60% 60.0% New Order 8,967,575 1,494
Payment 8,967,575
Order Status 896,757
Delivery 896,757
Stock Level 896,756
Customer Report 8,967,575
50% 50.1% New Order 7,486,440 1,494
Payment 7,486,443
Order Status 748,643
Delivery 748,644
Stock Level 748,645
Customer Report 7,486,446
40% 39.5% New Order 5,893,637 1,494
Payment 5,893,639
Order Status 589,364
Delivery 589,364
Stock Level 589,365
Customer Report 5,893,636
30% 29.8% New Order 4,449,372 1,494
Payment 4,449,376
Order Status 444,938
Delivery 444,936
Stock Level 444,937
Customer Report 4,449,376
20% 20.1% New Order 3,002,667 1,494
Payment 3,002,668
Order Status 300,267
Delivery 300,267
Stock Level 300,267
Customer Report 3,002,666
10% 9.6% New Order 1,430,604 1,494
Payment 1,430,606
Order Status 143,062
Delivery 143,059
Stock Level 143,062
Customer Report 1,430,607
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0